.preview-container {
    display: grid;
    grid-template-columns: auto 200px;
    grid-gap: 10px;
}
.preview-container-header-button-list {
    display: flex;
    align-content: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    flex-direction: row;
    position: sticky;
    top: 4px;
    left: 0;
}
.preview-container-header-button {
    background: #d9534f;
    border-color: #d43f3a;
    border-radius: 3px;
    padding: 3px 10px;
    color: white;
    cursor: pointer;
    &:not(:first-child) {
        margin-left: 10px;
    }
}
#preview_content {
    box-shadow: 2px 2px 8px #bbbbbb;
}